What is the Least Common Multiple of 20331 and 20343?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 20331 and 20343 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20331 and 20343, than apply into the LCM equation.

GCF(20331,20343) = 3
LCM(20331,20343) = ( 20331 × 20343) / 3
LCM(20331,20343) = 413593533 / 3
LCM(20331,20343) = 137864511

Least Common Multiple (LCM) of 20331 and 20343 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20331 and 20343. First we will calculate the prime factors of 20331 and 20343.

Prime Factorization of 20331

Prime Factorization of 20343

Now multiplying the highest exponent prime factors to calculate the LCM of 20331 and 20343.

LCM(20331,20343) = 3⁴ × 251¹ × 6781¹
LCM(20331,20343) = 137864511